ConvertFromImage Method

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public static RasterImage ConvertFromImage( 
   Image image,
   ConvertFromImageOptions options
)

'Declaration
 
Public Shared Function ConvertFromImage( _
   ByVal image As Image, _
   ByVal options As ConvertFromImageOptions _
) As RasterImage

'Usage
 
Dim image As Image
Dim options As ConvertFromImageOptions
Dim value As RasterImage
 
value = RasterImageConverter.ConvertFromImage(image, options)

public static RasterImage ConvertFromImage( 
   Image image,
   ConvertFromImageOptions options
)

 function Leadtools.Drawing.RasterImageConverter.ConvertFromImage( 
   image ,
   options 
)

public:
static RasterImage^ ConvertFromImage( 
   Image^ image,
   ConvertFromImageOptions options
)

Parameters

image: The System.Drawing.Image from which to create the new Leadtools.RasterImage.
options: The conversion options.

To convert a LEADTOOLS Leadtools.RasterImage to GDI+ image, use ConvertToImage.

For more information refer to RasterImage and GDI/GDI+.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Public Sub ConvertFromImageExample()
      Dim codecs As New RasterCodecs()

      Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "ConvertFromImage.bmp")

      ' Create a GDI+ image
      Using btmp As Bitmap = New Bitmap(320, 200)
         Using g As Graphics = Graphics.FromImage(btmp)
            g.Clear(Color.Yellow)
            g.FillEllipse(Brushes.Red, New Rectangle(0, 0, btmp.Width, btmp.Height))

            ' Convert this image to RasterImage

            Using image As RasterImage = RasterImageConverter.ConvertFromImage(btmp, ConvertFromImageOptions.None)
               ' Save it
               codecs.Save(image, destFileName, RasterImageFormat.Bmp, 0)
            End Using
         End Using
      End Using

      ' Clean up
      codecs.Dispose()
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void ConvertFromImageExample()
   {
      RasterCodecs codecs = new RasterCodecs();

      string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "ConvertFromImage.bmp");

      // Create a GDI+ image
      using(Bitmap btmp = new Bitmap(320, 200))
      {
         using(Graphics g = Graphics.FromImage(btmp))
         {
            g.Clear(Color.Yellow);
            g.FillEllipse(Brushes.Red, new Rectangle(0, 0, btmp.Width, btmp.Height));

            // Convert this image to RasterImage

            using(RasterImage image = RasterImageConverter.ConvertFromImage(btmp, ConvertFromImageOptions.None))
            {
               // Save it
               codecs.Save(image, destFileName, RasterImageFormat.Bmp, 0);
            }
         }
      }

      // Clean up
      codecs.Dispose();
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

RasterImageConverter Class
RasterImageConverter Members